Hello,
i'm trying to place multiple signatures on a PDF file (i need 4 signatures).
I tried modifying OpenSignPDF but when i add more than two signatures i
always get that only the first and the last one are valid while all the
signatures among the two show a red X on them.
For instance... lets say that i have 3 signatures, then the first and third
signature are valid, but not the second. Same thing if i have 4 signatures:
the first and fourth signature are valid but not the second and the third.
This is a piece of the code that i am using:
if (.....) { //First signature
pdfStamper = PdfStamper.createSignature(pdfReader, bos,
'\0');
} else { //Other signatures
pdfStamper = PdfStamper.createSignature(pdfReader, bos,
'\0', null, true);
}
[CUT]
if (.....) { //First signature
signApp.setReason("Author");
signApp.setCertificationLevel(
PdfSignatureAppearance.CERTIFIED_FORM_FILLING);
signApp.setVisibleSignature(new Rectangle(100, 600, 200, 640),
1, null);
PdfFormField sign2 = PdfFormField.createSignature(
pdfStamper.getWriter());
sign2.setWidget(new Rectangle(200, 600, 300, 640), null);
sign2.setFlags(PdfAnnotation.FLAGS_PRINT);
sign2.setFieldName("sign2");
sign2.setPage(1);
pdfStamper.addAnnotation(sign2, 1);
PdfFormField sign3 = PdfFormField.createSignature(
pdfStamper.getWriter());
sign3.setWidget(new Rectangle(300, 600, 400, 640), null);
sign3.setFlags(PdfAnnotation.FLAGS_PRINT);
sign3.setFieldName("sign3");
sign3.setPage(1);
pdfStamper.addAnnotation(sign3, 1);
PdfFormField sign4 = PdfFormField.createSignature(
pdfStamper.getWriter());
sign4.setWidget(new Rectangle(400, 600, 500, 640), null);
sign4.setFlags(PdfAnnotation.FLAGS_PRINT);
sign4.setFieldName("sign4");
sign4.setPage(1);
pdfStamper.addAnnotation(sign4, 1);
} else { //Other signatures
signApp.setReason("Countersign");
signApp.setCertificationLevel(
PdfSignatureAppearance.NOT_CERTIFIED);
signApp.setVisibleSignature("sign" + (round+1)); //round tells
me which field to sign
}
[CUT]
Am i doing something wrong?
Thank you,
Luca
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